Siemens | ED42S100A | Circuit Breaker | 100A | 2-Pole | 480V | Bolt-On

Siemens ED42S100A is a robust circuit breaker designed to protect high‑voltage circuits with precision and reliability. This 100A, 2‑pole unit is built for 480V systems and features a bolt‑on mounting for a secure, service‑friendly installation—perfect for maintenance, retrofit, and replacement tasks where exact specifications matter.

• Amperage: 100 A
• Poles: 2‑Pole
• Voltage: 480V
• Mounting: Bolt‑On
• Part number: ED42S100A

Designed for demanding industrial environments, the 2‑pole configuration ensures simultaneous interruption of both conductors, safeguarding equipment and personnel in three‑phase or multi‑circuit applications. The bolt‑on design provides a secure, vibration‑resistant connection and simplifies installation and service when panels are accessible for routine maintenance or quick replacements. Important compatibility note: Confirm fit and ratings before ordering. The part number ED42S100A is the best reference for ensuring a precise match with your Siemens panel or retrofit kit. This Siemens breaker is ideal for electricians, panel technicians, and maintenance engineers undertaking: - Retrofit or replacement projects in 480V systems - Service upgrades in industrial control panels - Direct replacements for failed units in compatible Siemens installations Use cases and practical considerations: - Verify the panel’s labeling to ensure 480V operation, 100A capacity, and bolt‑on mounting support - Use ED42S100A as a like‑for‑like replacement to maintain consistent protection and system behavior - Store spares in a dry, accessible location to minimize downtime during maintenance windows In short, the Siemens ED42S100A 100A 2‑Pole 480V bolt‑on breaker delivers dependable overcurrent protection with installation simplicity, making it a preferred choice for professional upgrades, repairs, and ongoing electrical reliability.